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25 terms
Terms | Definitions |
|---|---|
 passive transport | does not use chemical energy |
| what are the two forms of passive transport | osmosis and diffusion |
| active transport | uses chemical energy(atp) |
| gated channels | (passive transport) molecules too big to diffuse through membrane go through these channels |
| cells use endocytosis and exocytosis to maintain | homeostasis |
| pinocytosis and phagocytosis diffference is the size of the ingested particle and involces | endocytosis |
| pino | small fluids |
| phago | large (WBC and amoebas) |
| _-lost turgor pressure, the cell _ | plasomolysis; wilts |
| graph for plasmolysis | hypotonic hypertonic More water less water less solutes more solutes |
| -exceeding high turgor pressure,_ until cell | cytolysis; bursts |
| graph for cytolysis | hypertonic hypotonic less water more water more solutes less solutes |
| plasmolysis and cytolysis are | conditions |
| hypotonic, hypertonic, and isotonic are | directions |
| turgor is the | action |
| equilibrium is a | state (balance) |
| osmosis | movement of water from an area of greater to lesser concentration |
| solution | solutes+solvent |
| ex of solvent | water |
| hypertonic solution | high solutes, low solvent; high concentration |
| hypotonic solution | low concentration; low solutes, high solvent |
| When the solution inside the cell is hypertonic relative to its environment , water will move | hypertonic, high concentrated solution, high solutes, low solvent, water will move into the cell from the outside |
| When the solution insdie the cell is hypotonic, water will move | hypotonic,, low concentrated solution, low solutes, high solvent, water will move out of the cell |
| isotonic | same inside/outside (water/solutes won't move) |
| diffusion | movement of solutes(not water) |
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